Hours Of Operations Master Lock Massachusetts Newtonville 02460 Master Lock Hours of Operation and Location in Newtonville, MA 02460 4.1 - 73 votes 340 Walnut St, Newtonville, MA 02460 (617) 831-1442 Get Directions Master Lock Hours Category: Home & Garden Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore NewtonvilleView More Apparel CoachExpress Recommend For You El Toro Market A Locksmith Service A & A Locksmith Big Picture Garage Door Repair Resources Incorporated Star Market Nail Perfection Smr Consulting Incorporated Mattress Discounters